Claws Mail 3.13.1 codeconv.c conv_euctojis memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Claws Mail 3.13.1. This affects the function conv_euctojis of the file codeconv.c. The manipulation results in memory corruption. This vulnerability was named CVE-2015-8708. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Claws Mail 3.13.1 (Mail Client Software). It has been classified as critical. Affected is the function conv_euctojis of the file codeconv.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the conv_euctojis function in codeconv.c in Claws Mail 3.13.1 allows remote attackers to have unspecified impact via a crafted email, involving Japanese character set conversion. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8614.

The weakness was presented 04/11/2016 by Hanno Boeck (Website). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2015-8708 since 12/31/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 87884 (Debian DLA-383-1 : claws-mail security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124701 (Fedora Security Update for claws-mail (FEDORA-2016-b211281b8e)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (87884), SecurityFocus (BID 79868†) and Vulnerability Center (SBV-58184†). See VDB-82067 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87884
Nessus Name: Debian DLA-383-1 : claws-mail security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for claws-mail FEDORA-2016-2
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/31/2015 🔍
01/06/2016 +6 days 🔍
01/12/2016 +6 days 🔍
01/13/2016 +1 days 🔍
01/13/2016 +0 days 🔍
04/11/2016 +88 days 🔍
04/11/2016 +0 days 🔍
04/12/2016 +1 days 🔍
04/14/2016 +2 days 🔍
11/08/2024 +3130 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Hanno Boeck
Status: Confirmed

CVE: CVE-2015-8708 (🔍)
GCVE (CVE): GCVE-0-2015-8708
GCVE (VulDB): GCVE-100-82068
SecurityFocus: 79868 - Claws-Mail 'src/codeconv.c' Incomplete Fix Multiple Stack Buffer Overflow Vulnerabilities
Vulnerability Center: 58184 - Claws Mail Before 3.13.1 Unspecified Impact via a Crafted Email, High

See also: 🔍

Entryinfo

Created: 04/12/2016 11:03
Updated: 11/08/2024 03:46
Changes: 04/12/2016 11:03 (67), 02/04/2019 15:05 (14), 11/08/2024 03:46 (20)
Complete: 🔍
Cache ID: 216::103

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